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All results from a given calculation for C3H6O (Acetone enol)

using model chemistry: CCD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/3-21G*
 hartrees
Energy at 0K-191.287983
Energy at 298.15K-191.294339
HF Energy-190.866150
Nuclear repulsion energy118.650660
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCD/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3534 3380 1.59      
2 A' 3238 3097 9.52      
3 A' 3149 3012 4.45      
4 A' 3133 2997 14.10      
5 A' 3050 2917 11.41      
6 A' 1740 1664 56.66      
7 A' 1579 1510 8.92      
8 A' 1520 1454 10.01      
9 A' 1481 1416 11.54      
10 A' 1431 1369 0.82      
11 A' 1217 1164 127.11      
12 A' 1062 1016 18.03      
13 A' 988 945 38.66      
14 A' 830 793 8.06      
15 A' 472 452 17.37      
16 A' 403 385 3.65      
17 A" 3106 2971 15.01      
18 A" 1557 1489 5.98      
19 A" 1134 1084 3.09      
20 A" 876 838 78.25      
21 A" 733 701 7.00      
22 A" 492 471 3.29      
23 A" 424 405 149.88      
24 A" 156 149 1.22      

Unscaled Zero Point Vibrational Energy (zpe) 18651.9 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 17840.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCD/3-21G*
ABC
0.32220 0.29871 0.15968

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.978 -1.051 0.000
C2 0.000 0.108 0.000
C3 0.342 1.404 0.000
O4 -1.324 -0.379 0.000
H5 2.011 -0.682 0.000
H6 0.812 -1.674 0.889
H7 0.812 -1.674 -0.889
H8 1.385 1.702 0.000
H9 -0.397 2.205 0.000
H10 -1.955 0.386 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51682.53582.39821.09621.09841.09842.78303.53423.2658
C21.51681.33981.41062.16042.15132.15132.11192.13381.9741
C32.53581.33982.43972.67123.23833.23831.08551.08962.5120
O42.39821.41062.43973.34822.65172.65173.41642.74530.9911
H51.09622.16042.67123.34821.79181.79182.46493.75894.1064
H61.09842.15133.23832.65171.79181.77783.53844.15953.5622
H71.09842.15133.23832.65171.79181.77783.53844.15953.5622
H82.78302.11191.08553.41642.46493.53843.53841.85163.5902
H93.53422.13381.08962.74533.75894.15954.15951.85162.3954
H103.26581.97412.51200.99114.10643.56223.56223.59022.3954

picture of Acetone enol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.055 C1 C2 O4 109.958
C2 C1 H5 110.505 C2 C1 H6 109.654
C2 C1 H7 109.654 C2 C3 H8 120.742
C2 C3 H9 122.559 C2 O4 H10 109.321
C3 C2 O4 124.988 H5 C1 H6 109.468
H5 C1 H7 109.468 H6 C1 H7 108.050
H8 C3 H9 116.698
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability